Fan Blowing In Attic

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.

Fan blowing in attic.

A whole house fan is usually installed on the attic floor near the center of your house. That air gets pulled up into the attic. Lee sam jun 9 17 at 0 03. An attic floor that is thoroughly air sealed.

In the late evening or early morning the fan is turned on to exhaust hot air from the house. Attic insulation that is less than r 19. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. Using a fan to blow hot air out of the attic doesn t address the radiant heat flow from the roof to the attic floor.

Putting warm summer room air into the attic will not cause condensation because the attic ventilation should vent the area. Bountiful eave soffit ventilation space. If possible i d peek into the attic to make sure the vents are clear and working before cutting the hole and installing the vent. Cooler outdoor air enters through open windows lowering the indoor temperature.

Trying to solve the heat gain problem in your attic by using a fan is like lying out at the beach with a fan blowing over you and thinking you re not going to get a sunburn. Attic ventilation fans could be effective if your home has. Much of that heat then conducts downward and finds its way into the house. Open your windows before you turn on the fan.